It's Samsung Note10& PC. Ty for kind replying><.

@Kevin_Z Are you saying you can play YouTube smoothly when connecting to the 2.4G network? I got normal LAN/wifi speed in 2.4g with any width& 　　　　　　　　　　　　　 5G with 20 or 160 MHz. When router auto...

!! Naruhodo, no wonder there is just a few products on list, lol. Thanks for guiding o/. Channel width preset of smart connects is auto select, right? I got random lag all the time. I can't even play...

My ISP plan is 30M/4M, and the test result normally show 29.4Mbps avg. with another router In 2.4GHz wifi, any bandwidth setting won't effect on any connecting speed. When I change 5GHz wifi...